US Patent 7884380 Semiconductor light emitting device
Patent 7884380 was granted and assigned to Epistar on February, 2011 by the United States Patent and Trademark Office.
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Patent abstract
This invention discloses a light emitting semiconductor device including a light-emitting structure and an external optical element. The optical element couples to the light-emitting structure circumferentially. In addition, the refractive index of the external optical element is greater than or about the same as that of a transparent substrate of the light-emitting structure, or in-between that of the transparent substrate and the encapsulant material.
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Patent Inventor Names
Min-Hsun Hsieh0
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US Patent 07884380 Semiconductor light emitting device US Patent 7884380 Semiconductor light emitting device
Infobox
Patent Number
078843800
Patent Number
78843800
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
078843800
Date of Patent
February 8, 2011
0Patent Application Number
121555950
Date Filed
June 6, 2008
0Official Website
Patent Primary Examiner
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US Patent 07884380 Semiconductor light emitting device
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07884380
Date of patent
February 8, 2011
Patent application number
12155595
Date Filed
June 6, 2008
Patent primary examiner
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